Bike Comparison
    MSRP
    $359$549
    Where to Buy
    $1

    At

    $549

    At Trek

    Category
    General YouthGeneral Youth
    Weight
    22.3 lbs21.1 lbs
    2.0
    2.4
    AluminumAluminum
    Fork
    AluminumAluminum
    Wheels
    AluminumAluminum
    Wheel Size
    20″24″
    Brakes
    RimRim
    Groupset
    Tourney, ShimanomicroSHIFT Acolyte
    Drivetrain
    1 × 71 × 8
    Brand Site

    haromtb.com

    trekbikes.com

    Summary
    The Haro Flightline 20 Plus is a 20″ aluminum frame general youth bike with mid-range components and rim brakes.
    Similar Bikes
    Accessories
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    12 mph

    2020 Flightline 20 Plus

    18 mph

    2024 Wahoo 24 Path

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    Haro Flightline 20" Plus FL3G 6000 series alloy w/ V-Brake bosses

    Alpha Silver Aluminum, 24''

    Fork

    20" Rigid Aluminum Legs w/ Chromoly Steerer Tube, w/ V-Brake bosses

    Wahoo 24'' alloy, V-brake bosses, ThruSkew 5mm QR

    Bottom Bracket

    Sealed cartridge

    Sealed cartridge, 68mm

    Headset

    1-1/8" threadless steel cups, loose ball, Nylon Top

    Integrated, sealed cartridge bearings

    Stem

    Pivit melt forged stem w/ 4 bolts, 31.8mm bar bore

    Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length

    Handlebar

    Pivit alloy 25mm riser bar, 31.8mm O.D.

    Bontrager alloy, 31.8mm, 15mm rise, 580mm width

    Saddle

    Haro Flightline Jr

    Kids' padded, integrated seatpost, Blendr light mount, 31.6x270mm

    Seatpost

    Pivit alloy micro adjust 27.2mm

    Pedals

    MTB nylon body

    Kids' Satellite, 9/16 thread

    Grips

    Size: 24" wheel, Kids' grip, 108mm width, lock-on; Size: 24" wheel, Kids' grip, 110mm width; Size: 24" wheel, Kids' grip, 108mm width

    Groupset
    Rear Derailleur

    Shimano Tourney RD-TY300, 7-spd

    microSHIFT Acolyte M5180S, 34-38T max cog

    Crank

    Alloy 3-pc 28t, Narrow-Wide chainring w/ Single chain guard, 5" / 127mm

    Alloy, 28T steel ring, chainguard, 127mm length

    Shifters

    Shimano Revo 7-spd

    microSHIFT Acolyte SL-M6285, 8 speed

    Cassette

    Shimano Tourney 7-spd freewheel 14-34T

    microSHIFT Acolyte H083, 11-38, 8 speed

    Chain

    KMC Z7 1/2"x3/32"

    KMC Z8

    Brakes

    Promax TX-121 V-Brakes

    Alloy linear-pull

    Brake Levers

    Promax BL-81G, Short reach

    Kids' alloy brake lever, black

    Wheels
    Rims

    Alloy single wall 20" 31mm wide

    Alloy 24'', 28h

    Front Hub

    Pivit steel 32h w/ nuts

    Formula alloy, 100mm ThruSkew

    Rear Hub

    Pivit steel 32h w/ nuts

    Formula FM32 alloy, 135x5mm

    Tires

    H-5183, 20"x2.60"

    Bontrager Connection Comp, wire bead, 30 tpi, 24x2.00''

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